| DG no. | Particulars | Base case without DG | Algorithms | WOA | SSA | WOA-SSA |
| 3 | Candidate buses | — | 90, 28, 160 | 149, 56, 97 | 152, 45, 67 | Optimal DG size (kW) | — | 5000 3822.095 1826.522 | 755.84 1558.834 1667 | 1745.644 2642.309 1995.555 | Total DG size (kW) | — | 10648.617 | 3981.674 | 6383.508 | Total power losses (kW) | 95.434 | 70.696 | 70.978 | 70.292 | % power loss reduction | — | 25.9% | 25.6% | 26.4% | Minimum voltage (p.u.), Bus | 0.98401, 65 | 0.98791, 65 | 0.98948, 65 | 0.97858, 65 | Maximum voltage (p.u.), Bus | 1.0481, 83 | 1.0463, 83 | 1.0476, 83 | 1.0403, 83 | Mean voltage (p.u.) | 1.0207 | 1.0209 | 1.0209 | 1.0152 | Standard deviation voltage (p.u.) | 0.018416 | 0.014141 | 0.015043 | 0.014254 | Computational time (S) | — | 231 | 224 | 228 |
| 4 | Candidate buses | — | 52, 51, 25, 54 | 52, 42, 250, 54 | 13, 51, 36, 57 | Optimal DG size (kW) | — | 4491.045 2109.597 2126.813 2034.666 | 1657.875 2089.409 3275.819 2146.397 | 488.383 1160.717 2568.928 2479.022 | Total DG size (kW) | — | 10762.121 | 9169.5 | 6697.05 | Total losses (kW) | 95.434 | 74.238 | 73.969 | 73.091 | % loss reduction | — | 22.2% | 22.5% | 23.4% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.98234, 65 | 0.98097, 65 | 0.97407, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0446, 83 | 1.0436, 83 | 1.0458, 83 | Mean voltage (p.u.) | 1.0207 | 1.0135 | 1.013 | 1.0123 | Standard deviation voltage (p.u.) | 0.018416 | 0.019012 | 0.01825 | 0.017625 | Computational time (S) | — | 278 | 284 | 274 |
| 5 | Candidate buses | — | 81, 48, 149, 23, 67 | 55, 26, 56, 40, 57 | 78, 98, 61, 29, 67 | Optimal DG size (kW) | — | 2686.689 2003.240 2039.694 1336.645 1770.532 | 38.473 589.953 4572.243 397.187 2016.337 | 1599.443 3560.55 1557.516 4062.252 1899.762 | Total DG size (kW) | — | 9836.8 | 7614.193 | 12679.523 | Total power losses (kW) | 95.434 | 70.635 | 72.928 | 70.184 | % power loss reduction | — | 26% | 23.6% | 26.5% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.97585, 65 | 0.98545, 65 | 0.97991, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0412, 83 | 1.0468, 83 | 1.0453, 83 | Mean voltage (p.u.) | 1.0207 | 1.0117 | 1.0171 | 1.0159 | Standard deviation voltage (p.u.) | 0.018416 | 0.016813 | 0.016408 | 0.015152 | Computational time (S) | — | 237 | 255 | 232 |
| 6 | Candidate buses | — | 26, 28, 13, 10, 51, 53 | 8, 9, 35, 42, 250, 53 | 150, 35, 54, 13, 54, 54 | Optimal DG size (kW) | — | 2457.965 2806.089 1605.001 1912.286 2838.475 2261.193 | 4565.555 258.574 1393.951 3839.614 1837.754 2789.804 | 4447.936 322.867 1040.216 191.239 2731.592 2236.8 | Total DG size (kW) | — | 13881.009 | 14685.252 | 10970.65 | Total losses (kW) | 95.434 | 74.061 | 73.937 | 73.419 | % loss reduction | — | 22.4% | 22.5% | 23.1% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.98132, 65 | 0.97656, 65 | 0.98629, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0432, 83 | 1.042, 83 | 1.045, 83 | Mean voltage (p.u.) | 1.0207 | 1.0131 | 1.0119 | 1.0169 | Standard deviation voltage (p.u.) | 0.018416 | 0.018087 | 0.016947 | 0.015978 | Computational time (S) | — | 301 | 302 | 273 |
| 7 | Candidate buses | — | 36, 97, 75, 104, 53, 34, 72 | 36, 25, 50, 27, 57, 8, 67 | 53, 56, 42, 64, 51, 62, 67 | Optimal DG size (kW) | — | 2391.085 5000 2797.53 3450.195 5000 4439.535 1888.471 | 1 1 5000 1748.772 1 5000 1877.048 | 1966.79 2039.543 2147.753 3201.916 3603.024 1561.412 1926.957 | Total DG size (kW) | — | 24966.816 | 13628.82 | 16447.395 | Total power losses (kW) | 95.434 | 71.376 | 70.597 | 70.273 | % power loss reduction | — | 25.2% | 26% | 26.4% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.97374, 65 | 0.97372, 65 | 0.97935, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0479, 83 | 1.0448, 83 | 1.0458, 83 | Mean voltage (p.u.) | 1.0207 | 1.0124 | 1.0131 | 1.0169 | Standard deviation voltage (p.u.) | 0.018416 | 0.017836 | 0.018325 | 0.016181 | Computational time (S) | — | 238 | 264 | 233 |
| 8 | Candidate buses | — | 36, 26, 27, 30, 29, 22, 37, 13 | 48, 21, 7, 51, 23, 7, 47, 57 | 52, 8, 20, 29, 150, 30, 1, 52 | Optimal DG size (kW) | — | 2845.921 3590.8 3277.099 1528.684 1221.43 2044.885 2279.321 2862.69 | 3731.289 2207.028 4943.676 1137.604 2771.666 2076.816 1761.434 2869.06 | 1217.977 1733.92 2376.75 181.628 2300.277 3794.711 3728.088 2376.548 | Total DG size (kW) | — | 19650.83 | 21498.573 | 17709.899 | Total losses (kW) | 95.434 | 74.856 | 74.363 | 74.071 | % loss reduction | — | 21.6% | 22.1% | 22.4% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.99074, 65 | 0.96968, 65 | 0.9891, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0465, 83 | 1.0443, 83 | 1.0485, 83 | Mean voltage (p.u.) | 1.0207 | 1.0159 | 1.0139 | 1.0175 | Standard deviation voltage (p.u.) | 0.018416 | 0.015319 | 0.018916 | 0.016697 | Computational time (S) | — | 285 | 274 | 275 |
| 9 | Candidate buses | — | 23, 250, 49, 35, 18, 2, 17, 37, 52 | 29, 25, 54, 40, 250, 52, 149, 151, 57 | 17, 55, 2, 27, 44, 49, 44, 250, 57 | Optimal DG size (kW) | — | 1041.278 3539.659 1006.816 1515.389 427.404 467.085 434.462 479.55 2200.006 | 4370.94 4105.06 4354.954 5000 2044.157 4093.852 3826.531 638.685 2427.329 | 2445.393 1150.91 68.636 2389.231 3098.096 2860.186 122.912 2677.014 2278.389 | Total DG size (kW) | — | 11111.649 | 30861.508 | 17090.767 | Total losses (kW) | 95.434 | 74.86 | 72.805 | 72.576 | % loss reduction | — | 21.6% | 23.7% | 24% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.98417, 65 | 0.98069, 65 | 0.98257, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.0465, 83 | 1.0455, 83 | 1.0436, 83 | Mean voltage (p.u.) | 1.0207 | 1.0128 | 1.0178 | 1.0164 | Standard deviation voltage (p.u.) | 0.018416 | 0.018169 | 0.016801 | 0.015684 | Computational time (S) | — | 278 | 279 | 276 |
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